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MKF / MKFT (E5) 06/2020 page 45/176
5.4 Operating modes
The MB2 program controller operates in the following operating modes:
• Idle mode
The controller is not functional, i.e., there is no heating or refrigeration and no humidification or dehu-
midification. The fan is off. The chamber approximates ambient values.
You can activate and deactivate this operating mode with the “Idle mode” control contact in Fixed val-
ue operating mode (chap. 7.3), time program operation (chap. 9.7.3) and week program operation
(chap. 10.6.5).
• Fixed value operating mode
The controller operates as a fixed-point controller, i.e., set-points can be defined, which are then main-
tained until the next manual change (chap. 7.1).
• Timer program operation
Stopwatch function: during an entered duration the controller constantly equilibrates to the setpoints
entered in Fixed value operation mode.
• Time program operation
An entered time program for temperature and humidity is running. The controller offers 25 program
memory places with 100 program sections each. The total number of program sections of all programs
is unlimited
• Week program operation
An entered week program for temperature and humidity is running. The controller offers 5 program
memory places with 100 switching points each. The switching points can be distributed over all days
of the week.
5.5 Controller menu structure
Use the navigation icons in the screen footer in Normal display to access the desired controller func-
tions.
The available functions depend on the current authorization level “Service”, “Admin” or “User” (chap.
13.1). This is selected either during login or can be available without password protection.
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